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Profile picture for brianjarvis @brianjarvis

@oldgreenpaint What you experienced is known - with the higher dose per fraction of SBRT, the risk of urinary bother is higher. (That is why I didn’t use proton SBRT; I had 28 sessions of proton radiation at 2.5 Grays per session).

Dr. Rossi talks about this in his portion of the 2023 Mid-Year PCRI presentation (https://www.youtube.com/live/WTqPnSRYtW4), starting at about timestamp 4:30:45.

These days they can even “cool” the radiation as they approach tissues/organs at risk if desired.

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Replies to "@oldgreenpaint What you experienced is known - with the higher dose per fraction of SBRT, the..."

@brianjarvis

For sure, it is known, and I knew going into it my risks. Recollection is that bowels were 1-2% and urinary side effects were at 10-20%. But I think it is probably higher. Seems like it is also thought that 5 treatment radiation yields its side effects early on, while the 25-40 session treatments can happen years later. But like I said before, there is not very much that is certain and absolute in the PC world.

I just didn’t want to tie up 6 weeks of my life doing radiation. I still believe I made the right choice for me, but I can say for sure the two weeks of treatment and the two to four weeks following were a difficult time, and without support from radiation oncologist nurse, would have been REALLY difficult. She knew her stuff and how to medicate to a comfort level endurable.

Liked your video. Always learn something from pcri vids. Here is a link to Mayo info on proton SBRT
https://www.mayoclinic.org/diseases-conditions/prostate-cancer/in-depth/sbrt-for-prostate-cancer/art-20592262